From cb558e4bd2b817bc72275c2bbd90dfe9fe380af9 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Tue, 8 Dec 2020 22:40:54 +0300
Subject: Add export script pseudo-builtin

---
 libbuild2/test/script/parser+env.test.testscript | 2 +-
 libbuild2/test/script/script.cxx                 | 8 ++++++++
 libbuild2/test/script/script.hxx                 | 7 +++++++
 3 files changed, 16 insertions(+), 1 deletion(-)

(limited to 'libbuild2/test')

diff --git a/libbuild2/test/script/parser+env.test.testscript b/libbuild2/test/script/parser+env.test.testscript
index b6fb305..efa5dec 100644
--- a/libbuild2/test/script/parser+env.test.testscript
+++ b/libbuild2/test/script/parser+env.test.testscript
@@ -31,7 +31,7 @@
   : invalid-val
   :
   $* <'env --unset=a=b -- cmd' 2>>EOE != 0
-    testscript:1:5: error: env: invalid value 'a=b' for option '--unset': contains '='
+    testscript:1:5: error: env: invalid value 'a=b' for option --unset: contains '='
     EOE
 
   : no-sep
diff --git a/libbuild2/test/script/script.cxx b/libbuild2/test/script/script.cxx
index 165b9b7..3a8ceac 100644
--- a/libbuild2/test/script/script.cxx
+++ b/libbuild2/test/script/script.cxx
@@ -173,6 +173,14 @@ namespace build2
           reset_special ();
       }
 
+      const environment_vars& scope::
+      exported_variables (environment_vars& storage)
+      {
+        return parent != nullptr
+               ? parent->merge_exported_variables (exported_vars, storage)
+               : exported_vars;
+      }
+
       // script_base
       //
       script_base::
diff --git a/libbuild2/test/script/script.hxx b/libbuild2/test/script/script.hxx
index ea1f579..7dae78c 100644
--- a/libbuild2/test/script/script.hxx
+++ b/libbuild2/test/script/script.hxx
@@ -30,6 +30,7 @@ namespace build2
       using build2::script::command_expr;
       using build2::script::expr_term;
       using build2::script::command;
+      using build2::script::environment_vars;
       using build2::script::deadline;
       using build2::script::timeout;
 
@@ -110,6 +111,12 @@ namespace build2
                       const string& attrs,
                       const location&) override;
 
+        // Merge the command execution environment variable (un)sets from this
+        // and outer scopes.
+        //
+        virtual const environment_vars&
+        exported_variables (environment_vars& storage) override;
+
         // Noop since the temporary directory is a working directory and so
         // is created before the scope commands execution.
         //
-- 
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